The Best API-570 Exam Study Material and Preparation Test Question Dumps
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NEW QUESTION 42
When an entire piping assembly is to be heat treated, but it will not fit into the furnace, what action should be taken?
- A. Radiograph the untreated area
- B. Heat treat as much as possible and hardness test the untreated area
- C. Heat treat in more than one heat, with a 1" overlap
- D. MT the untreated area
Answer: C
NEW QUESTION 43
A piping inspector employed by the owner operator shall have
- A. an API 653 certification
- B. an AWS certification
- C. not less than 10 years experience dealing with piping
- D. an API 510 certification
Answer: C
NEW QUESTION 44
Temperatures above can damage transducers not equipped with delay line material.
- A. 1,000 psi
- B. 280 psi
- C. There is no limit to temperature
- D. manufacturer's specification
Answer: D
NEW QUESTION 45
Cracks caused by vibration, thermal cycling, thermal expansion problems and environmental cracking are considered.
- A. HAZ cracks
- B. material cracks
- C. in-service cracks
- D. delayed cracks
Answer: C
NEW QUESTION 46
Erosion of the piping system usually occurs at:
- A. Along straight run pipe
- B. Any low-velocity and low-turbulence areas
- C. Upstream of pump discharges
- D. Elbows
Answer: D
NEW QUESTION 47
The radiograph of a Normal Fluid service piping weld revealed a crack.
What is the acceptable crack length if the pipe wall was 0.375?
- A. 3/16"
- B. T/3
- C. None
- D. Cracks will not show on radiographs
Answer: C
NEW QUESTION 48
Of the following examples, which one may cause a leak in a threaded joint?
- A. Lack of thread lubricant
- B. Back welding the fitting
- C. Changing the direction of flow in the piping system
- D. Under pressuring the part
Answer: A
NEW QUESTION 49
What is the minimum lifting power of an AC electromagnetic yoke used in magnetic particle inspection?
- A. 40 pounds lifting power at the maximum pole spacing
- B. 10 pounds lifting power at the maximum pole spacing
- C. 10 amps lifting power at the maximum pole spacing
- D. 30 pounds lifting power at the minimum pole spacing
Answer: B
NEW QUESTION 50
The potential for personnel exposure is deemed to be significant in which fluid service?
- A. Category M fluid service
- B. Normal fluid service
- C. Category B fluid service
- D. High pressure fluid service
Answer: A
NEW QUESTION 51
What is the most common method used to manufacture tubing?
- A. Forged
- B. Riveted
- C. Wire drawn
- D. Seamlessly drawn
Answer: D
NEW QUESTION 52
Piping systems that are not located in high activity areas and do not significantly vaporize are designated as______.
- A. Class 2
- B. Class 1
- C. Class 3
- D. Owner/user designated system
Answer: C
NEW QUESTION 53
What is the minimum holding time of SA-106 Grade B, 1 inch thick material?
- A. 2.4 hours
- B. 1 hour
- C. 2 hours
- D. not specified
Answer: B
NEW QUESTION 54
With respect to Category 'D' service, what is the maximum allowable undercut for a branch connection?
- A. £ 1 mm
- B. Both B and C
- C. £ 1/32"
- D. Zero (no evident imperfections)
Answer: B
NEW QUESTION 55
The repair organization shall use welders and welding operators qualified in accordance with the code to which the piping was built or alternatively_____.
- A. ASME B 31.3
- B. API 1104
- C. AWS D 1.1
- D. ASME Section V
Answer: A
NEW QUESTION 56
Hammer testing of piping is a common practice. However, which of the following should never be hammered?
- A. All welded piping
- B. Both A and B
- C. Cast iron piping
- D. Caustic piping
Answer: B
NEW QUESTION 57
When can welding procedures qualified by other than the employer be used?
- A. When the job contract gives authorization
- B. When the production weld is radiographed
- C. When the procedure is used only one time
- D. When there is specific approval of the inspector
Answer: D
NEW QUESTION 58
An area defined by a circle having a diameter not greater than 2 inches for a line diameter not exceeding 10 inches, in which thickness readings may be averaged is
- A. Test point
- B. WFMT
- C. Averaging point
- D. TML
Answer: A
NEW QUESTION 59
Care should be taken not to during a pressure test.
- A. under-pressure the system
- B. use water in the system
- C. over-pressure the system
- D. allow any inert gas into the system
Answer: C
NEW QUESTION 60
What is the inspection interval for buried piping without cathodic protection, the soil resistivity is 6,500 ohm-cm?
- A. 10 years
- B. 5 years
- C. 15 years
- D. whenever a leak is suspected
Answer: A
NEW QUESTION 61
After application of a non destructive evaluation technique, any resulting evidence is commonly referred to as
- A. an indication
- B. a leak
- C. A crack
- D. porosity
Answer: A
NEW QUESTION 62
An operator notice a pipe off its support, what should be done?
- A. Keep a record of the situation for future reference
- B. Report the situation to engineering or inspection personnel
- C. Ignore the situation
- D. Contact maintenance personnel for immediate repair
Answer: B
NEW QUESTION 63
On the regularly furnished Class 300 raised face flange, what is the height of the raised face?
- A. 0.19"
- B. 0.06"
- C. 0.25"
- D. 0.09"
Answer: B
NEW QUESTION 64
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